#include<stdio.h>
int main(void)
{
    int Num_A = 100;
    Num_A = Num_A + 10;
    Num_A += 10;
    printf("1.Num_A is %d\n", Num_A);
    Num_A = Num_A - 10;
    Num_A -= 10;
    printf("2.Num_A is %d\n", Num_A);
    Num_A = Num_A * 10;
    Num_A *= 10;
    printf("3.Num_A is %d\n", Num_A);
    Num_A = Num_A / 10;
    Num_A /= 10;
    printf("4.Num_A is %d\n", Num_A);
    Num_A = Num_A % 10;
    Num_A %= 10;
    printf("4.Num_A is %d\n", Num_A);
    Num_A = Num_A << 2;
    Num_A <<= 2;
    printf("5.Num_A is %d\n", Num_A);
    Num_A = Num_A >> 2;
    Num_A >>= 2;
    printf("6.Num_A is %d\n", Num_A);
    Num_A = Num_A & 2;
    Num_A &= 2;
    printf("7.Num_A is %d\n", Num_A);
    Num_A = Num_A | 2;
    Num_A |= 2;
    printf("8.Num_A is %d\n", Num_A);
    return 0;
}